Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Marcus Williams — 5 Patents in 2021

IRIrobot: 4 patents #3 of 126Top 3%
Newton, MA: #25 of 504 inventorsTop 5%
Massachusetts: #568 of 14,123 inventorsTop 5%
Overall (2021): #29,897 of 548,734Top 6%
5 Patents 2021

Issued Patents 2021

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
11072250 Autonomous coverage robot sensing Duane L. Gilbert, Jr., Andrea M. Okerholm, Elaine H. Kristant, Sheila A. Longo, Daniel E. Kee +1 more 2021-07-27
11058276 Wet robot docking station Levi Fox, Yanhan Li, Jason Jeffrey Suchman, Lucile Driscoll 2021-07-13
11027580 Wheel for autonomous cleaning robot Christopher R. Grace, Lindsay Louise Wright, Timothy James Haughton, John Reimels, Timothy William Fleck 2021-06-08
D921311 Mounting card for a cleaning pad for an autonomous floor cleaning robot John Reimels, Adam Goss, Lucile Driscoll, Isaac Fowler 2021-06-01
10952585 Autonomous floor cleaning with removable pad Ping-Hong Lu, Joseph M. Johnson, Sr., Daniel Foran, Andrew Graziani 2021-03-23